TRONQUIN: ORC Rating

GPH

610.8

OSN

595.2

LOA

11.995 m

Displacement

8860 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7454

Medium

1.004

High

1.1591

Triple Offshore

Low

0.966

Medium

1.2469

High

1.3924

Boat Specifications

Dimensions

Length overall: 11.995 m
Beam: 3.79 m
Draft: 1.62 m
Displacement: 8860 kg
Crew weight: 340 kg
Wetted surface: 33.46 m²

Sails

Mainsail: 49.29 m²
Genoa: 48 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 111.63 m²

Design

Type: Dehler 39 SQ
Builder: Dehler
Designer: Judel/Vrolijk
Year built: 2004

Performance data

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into Offwind or compatible navigation software.

6,43.9,4.857393,52,5.38,60,5.69,75,5.96,90,5.92,110,5.84,120,5.68,135,5.13,144,4.610534,150,4.31
8,42.2,5.669511,52,6.34,60,6.69,75,6.96,90,6.94,110,7.04,120,6.85,135,6.25,149.7,5.420459,150,5.4
10,42,6.311018,52,7.04,60,7.3,75,7.5,90,7.56,110,7.67,120,7.58,135,7.18,150,6.36,151,6.299881
12,41.9,6.717617,52,7.37,60,7.59,75,7.78,90,7.84,110,8.03,120,7.97,135,7.7,150,7.19,155.1,6.923589
14,41,6.823817,52,7.5,60,7.73,75,7.97,90,8.06,110,8.35,120,8.32,135,8.06,150,7.68,169.9,7.039083
16,40.5,6.877905,52,7.57,60,7.8,75,8.11,90,8.28,110,8.62,120,8.7,135,8.42,150,8.02,180,7.49
20,40.4,6.907072,52,7.61,60,7.85,75,8.24,90,8.66,110,9.01,120,9.39,135,9.27,150,8.74,180,8.17

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.38	5.69	5.96	5.92	5.84	5.68	5.13	4.31
8	6.34	6.69	6.96	6.94	7.04	6.85	6.25	5.4
10	7.04	7.3	7.5	7.56	7.67	7.58	7.18	6.36
12	7.37	7.59	7.78	7.84	8.03	7.97	7.7	7.19
14	7.5	7.73	7.97	8.06	8.35	8.32	8.06	7.68
16	7.57	7.8	8.11	8.28	8.62	8.7	8.42	8.02
20	7.61	7.85	8.24	8.66	9.01	9.39	9.27	8.74

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.9°	3.5	144°	3.73
8	42.2°	4.2	149.7°	4.68
10	42°	4.69	151°	5.51
12	41.9°	5	155.1°	6.28
14	41°	5.15	169.9°	6.93
16	40.5°	5.23	180°	7.49
20	40.4°	5.26	180°	8.17

VPP POLAR · BOAT SPEED BY TWAKT

TRUE WIND ANGLE —

READ AT ANGLE

Hover or tap the chart, or use the slider, to read boat speeds.

True wind speed 6 kt8 kt10 kt12 kt14 kt16 kt20 kt

Data table

Boat speed by true wind angle and true wind speed
TWA	Boat speed in 6 kt (kt)	Boat speed in 8 kt (kt)	Boat speed in 10 kt (kt)	Boat speed in 12 kt (kt)	Boat speed in 14 kt (kt)	Boat speed in 16 kt (kt)	Boat speed in 20 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	5.38	6.34	7.04	7.37	7.50	7.57	7.61
60°	5.69	6.69	7.30	7.59	7.73	7.80	7.85
75°	5.96	6.96	7.50	7.78	7.97	8.11	8.24
90°	5.92	6.94	7.56	7.84	8.06	8.28	8.66
110°	5.84	7.04	7.67	8.03	8.35	8.62	9.01
120°	5.68	6.85	7.58	7.97	8.32	8.70	9.39
135°	5.13	6.25	7.18	7.70	8.06	8.42	9.27
150°	4.31	5.40	6.36	7.19	7.68	8.02	8.74